src/com/android/camera/CameraActivity.java - platform/packages/apps/Gallery2 - Git at Google

 /*
  * Copyright (C) 2012 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.camera;

 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.provider.MediaStore;
 import android.provider.Settings;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.OrientationEventListener;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
 import android.widget.FrameLayout;

 import com.android.camera.ui.CameraSwitcher;
 import com.android.gallery3d.R;
 import com.android.gallery3d.app.PhotoPage;
 import com.android.gallery3d.common.ApiHelper;
 import com.android.gallery3d.util.LightCycleHelper;

 public class CameraActivity extends ActivityBase
         implements CameraSwitcher.CameraSwitchListener {
     public static final int PHOTO_MODULE_INDEX = 0;
     public static final int VIDEO_MODULE_INDEX = 1;
     public static final int PANORAMA_MODULE_INDEX = 2;
     public static final int LIGHTCYCLE_MODULE_INDEX = 3;

     CameraModule mCurrentModule;
     private FrameLayout mFrame;
     private ShutterButton mShutter;
     private CameraSwitcher mSwitcher;
     private View mCameraControls;
     private View mControlsBackground;
     private View mPieMenuButton;
     private Drawable[] mDrawables;
     private int mCurrentModuleIndex;
     private MotionEvent mDown;
     private boolean mAutoRotateScreen;
     private int mHeightOrWidth = -1;

     private MyOrientationEventListener mOrientationListener;
     // The degrees of the device rotated clockwise from its natural orientation.
     private int mLastRawOrientation = OrientationEventListener.ORIENTATION_UNKNOWN;

     private MediaSaveService mMediaSaveService;
     private ServiceConnection mConnection = new ServiceConnection() {
             @Override
             public void onServiceConnected(ComponentName className, IBinder b) {
                 mMediaSaveService = ((MediaSaveService.LocalBinder) b).getService();
                 mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
             }
             @Override
             public void onServiceDisconnected(ComponentName className) {
                 mMediaSaveService = null;
             }};

     private static final String TAG = "CAM_activity";

     private static final int[] DRAW_IDS = {
             R.drawable.ic_switch_camera,
             R.drawable.ic_switch_video,
             R.drawable.ic_switch_pan,
             R.drawable.ic_switch_photosphere
     };

     @Override
     public void onCreate(Bundle state) {
         super.onCreate(state);
         setContentView(R.layout.camera_main);
         mFrame = (FrameLayout) findViewById(R.id.camera_app_root);
         mDrawables = new Drawable[DRAW_IDS.length];
         for (int i = 0; i < DRAW_IDS.length; i++) {
             mDrawables[i] = getResources().getDrawable(DRAW_IDS[i]);
         }
         init();
         if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
                 || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
             mCurrentModule = new VideoModule();
             mCurrentModuleIndex = VIDEO_MODULE_INDEX;
         } else {
             mCurrentModule = new PhotoModule();
             mCurrentModuleIndex = PHOTO_MODULE_INDEX;
         }
         mCurrentModule.init(this, mFrame, true);
         mSwitcher.setCurrentIndex(mCurrentModuleIndex);
         mOrientationListener = new MyOrientationEventListener(this);
         bindMediaSaveService();
     }

     public void init() {
         boolean landscape = Util.getDisplayRotation(this) % 180 == 90;
         mControlsBackground = findViewById(R.id.blocker);
         mCameraControls = findViewById(R.id.camera_controls);
         mShutter = (ShutterButton) findViewById(R.id.shutter_button);
         mSwitcher = (CameraSwitcher) findViewById(R.id.camera_switcher);
         mPieMenuButton = findViewById(R.id.menu);
         int totaldrawid = (LightCycleHelper.hasLightCycleCapture(this)
                                 ? DRAW_IDS.length : DRAW_IDS.length - 1);
         if (!ApiHelper.HAS_OLD_PANORAMA) totaldrawid--;

         int[] drawids = new int[totaldrawid];
         int[] moduleids = new int[totaldrawid];
         int ix = 0;
         for (int i = 0; i < mDrawables.length; i++) {
             if (i == PANORAMA_MODULE_INDEX && !ApiHelper.HAS_OLD_PANORAMA) {
                 continue; // not enabled, so don't add to UI
             }
             if (i == LIGHTCYCLE_MODULE_INDEX && !LightCycleHelper.hasLightCycleCapture(this)) {
                 continue; // not enabled, so don't add to UI
             }
             moduleids[ix] = i;
             drawids[ix++] = DRAW_IDS[i];
         }
         mSwitcher.setIds(moduleids, drawids);
         mSwitcher.setSwitchListener(this);
         mSwitcher.setCurrentIndex(mCurrentModuleIndex);
     }

     @Override
     public void onDestroy() {
         unbindMediaSaveService();
         super.onDestroy();
     }

     // Return whether the auto-rotate screen in system settings
     // is turned on.
     public boolean isAutoRotateScreen() {
         return mAutoRotateScreen;
     }

     private class MyOrientationEventListener
             extends OrientationEventListener {
         public MyOrientationEventListener(Context context) {
             super(context);
         }

         @Override
         public void onOrientationChanged(int orientation) {
             // We keep the last known orientation. So if the user first orient
             // the camera then point the camera to floor or sky, we still have
             // the correct orientation.
             if (orientation == ORIENTATION_UNKNOWN) return;
             mLastRawOrientation = orientation;
             mCurrentModule.onOrientationChanged(orientation);
         }
     }

     private ObjectAnimator mCameraSwitchAnimator;

     @Override
     public void onCameraSelected(final int i) {
         if (mPaused) return;
         if (i != mCurrentModuleIndex) {
             mPaused = true;
             CameraScreenNail screenNail = getCameraScreenNail();
             if (screenNail != null) {
                 if (mCameraSwitchAnimator != null && mCameraSwitchAnimator.isRunning()) {
                     mCameraSwitchAnimator.cancel();
                 }
                 mCameraSwitchAnimator = ObjectAnimator.ofFloat(
                         screenNail, "alpha", screenNail.getAlpha(), 0f);
                 mCameraSwitchAnimator.addListener(new AnimatorListenerAdapter() {
                     @Override
                     public void onAnimationEnd(Animator animation) {
                         super.onAnimationEnd(animation);
                         doChangeCamera(i);
                     }
                 });
                 mCameraSwitchAnimator.start();
             } else {
                 doChangeCamera(i);
             }
         }
     }

     private void doChangeCamera(int i) {
         boolean canReuse = canReuseScreenNail();
         CameraHolder.instance().keep();
         closeModule(mCurrentModule);
         mCurrentModuleIndex = i;
         switch (i) {
             case VIDEO_MODULE_INDEX:
                 mCurrentModule = new VideoModule();
                 break;
             case PHOTO_MODULE_INDEX:
                 mCurrentModule = new PhotoModule();
                 break;
             case PANORAMA_MODULE_INDEX:
                 mCurrentModule = new PanoramaModule();
                 break;
             case LIGHTCYCLE_MODULE_INDEX:
                 mCurrentModule = LightCycleHelper.createPanoramaModule();
                 break;
         }
         showPieMenuButton(mCurrentModule.needsPieMenu());

         openModule(mCurrentModule, canReuse);
         mCurrentModule.onOrientationChanged(mLastRawOrientation);
         if (mMediaSaveService != null) {
             mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
         }
         getCameraScreenNail().setAlpha(0f);
         getCameraScreenNail().setOnFrameDrawnOneShot(mOnFrameDrawn);
     }

     public void showPieMenuButton(boolean show) {
         if (show) {
             findViewById(R.id.blocker).setVisibility(View.VISIBLE);
             findViewById(R.id.menu).setVisibility(View.VISIBLE);
             findViewById(R.id.on_screen_indicators).setVisibility(View.VISIBLE);
         } else {
             findViewById(R.id.blocker).setVisibility(View.INVISIBLE);
             findViewById(R.id.menu).setVisibility(View.INVISIBLE);
             findViewById(R.id.on_screen_indicators).setVisibility(View.INVISIBLE);
         }
     }

     private Runnable mOnFrameDrawn = new Runnable() {

         @Override
         public void run() {
             runOnUiThread(mFadeInCameraScreenNail);
         }
     };

     private Runnable mFadeInCameraScreenNail = new Runnable() {

         @Override
         public void run() {
             mCameraSwitchAnimator = ObjectAnimator.ofFloat(
                     getCameraScreenNail(), "alpha", 0f, 1f);
             mCameraSwitchAnimator.setStartDelay(50);
             mCameraSwitchAnimator.start();
         }
     };

     @Override
     public void onShowSwitcherPopup() {
         mCurrentModule.onShowSwitcherPopup();
     }

     private void openModule(CameraModule module, boolean canReuse) {
         module.init(this, mFrame, canReuse && canReuseScreenNail());
         mPaused = false;
         module.onResumeBeforeSuper();
         module.onResumeAfterSuper();
     }

     private void closeModule(CameraModule module) {
         module.onPauseBeforeSuper();
         module.onPauseAfterSuper();
         mFrame.removeAllViews();
     }

     public ShutterButton getShutterButton() {
         return mShutter;
     }

     public void hideUI() {
         mCameraControls.setVisibility(View.INVISIBLE);
         hideSwitcher();
         mShutter.setVisibility(View.GONE);
     }

     public void showUI() {
         mCameraControls.setVisibility(View.VISIBLE);
         showSwitcher();
         mShutter.setVisibility(View.VISIBLE);
         // Force a layout change to show shutter button
         mShutter.requestLayout();
     }

     public void hideSwitcher() {
         mSwitcher.closePopup();
         mSwitcher.setVisibility(View.INVISIBLE);
     }

     public void showSwitcher() {
         if (mCurrentModule.needsSwitcher()) {
             mSwitcher.setVisibility(View.VISIBLE);
         }
     }

     public boolean isInCameraApp() {
         return mShowCameraAppView;
     }

     @Override
     public void onConfigurationChanged(Configuration config) {
         super.onConfigurationChanged(config);
         mCurrentModule.onConfigurationChanged(config);
     }

     @Override
     public void onPause() {
         mPaused = true;
         mOrientationListener.disable();
         mCurrentModule.onPauseBeforeSuper();
         super.onPause();
         mCurrentModule.onPauseAfterSuper();
     }

     @Override
     public void onResume() {
         mPaused = false;
         if (Settings.System.getInt(getContentResolver(),
                 Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {// auto-rotate off
             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
             mAutoRotateScreen = false;
         } else {
             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
             mAutoRotateScreen = true;
         }
         mOrientationListener.enable();
         mCurrentModule.onResumeBeforeSuper();
         super.onResume();
         mCurrentModule.onResumeAfterSuper();
     }

     private void bindMediaSaveService() {
         Intent intent = new Intent(this, MediaSaveService.class);
         bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
     }

     private void unbindMediaSaveService() {
         if (mMediaSaveService != null) {
             mMediaSaveService.setListener(null);
         }
         if (mConnection != null) {
             unbindService(mConnection);
         }
     }

     @Override
     protected void onFullScreenChanged(boolean full) {
         if (full) {
             showUI();
         } else {
             hideUI();
         }
         super.onFullScreenChanged(full);
         if (ApiHelper.HAS_ROTATION_ANIMATION) {
             setRotationAnimation(full);
         }
         mCurrentModule.onFullScreenChanged(full);
     }

     private void setRotationAnimation(boolean fullscreen) {
         int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
         if (fullscreen) {
             rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
         }
         Window win = getWindow();
         WindowManager.LayoutParams winParams = win.getAttributes();
         winParams.rotationAnimation = rotationAnimation;
         win.setAttributes(winParams);
     }

     @Override
     protected void onStop() {
         super.onStop();
         mCurrentModule.onStop();
         getStateManager().clearTasks();
     }

     @Override
     protected void onNewIntent(Intent intent) {
         super.onNewIntent(intent);
         getStateManager().clearActivityResult();
     }

     @Override
     protected void installIntentFilter() {
         super.installIntentFilter();
         mCurrentModule.installIntentFilter();
     }

     @Override
     protected void onActivityResult(
             int requestCode, int resultCode, Intent data) {
         // Only PhotoPage understands ProxyLauncher.RESULT_USER_CANCELED
         if (resultCode == ProxyLauncher.RESULT_USER_CANCELED
                 && !(getStateManager().getTopState() instanceof PhotoPage)) {
             resultCode = RESULT_CANCELED;
         }
         super.onActivityResult(requestCode, resultCode, data);
         // Unmap cancel vs. reset
         if (resultCode == ProxyLauncher.RESULT_USER_CANCELED) {
             resultCode = RESULT_CANCELED;
         }
         mCurrentModule.onActivityResult(requestCode, resultCode, data);
     }

     // Preview area is touched. Handle touch focus.
     // Touch to focus is handled by PreviewGestures, this function call
     // is no longer needed. TODO: Clean it up in the next refactor
     @Override
     protected void onSingleTapUp(View view, int x, int y) {
     }

     @Override
     public void onBackPressed() {
         if (!mCurrentModule.onBackPressed()) {
             super.onBackPressed();
         }
     }

     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         return mCurrentModule.onKeyDown(keyCode,  event)
                 || super.onKeyDown(keyCode, event);
     }

     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         return mCurrentModule.onKeyUp(keyCode,  event)
                 || super.onKeyUp(keyCode, event);
     }

     public void cancelActivityTouchHandling() {
         if (mDown != null) {
             MotionEvent cancel = MotionEvent.obtain(mDown);
             cancel.setAction(MotionEvent.ACTION_CANCEL);
             super.dispatchTouchEvent(cancel);
         }
     }

     @Override
     public boolean dispatchTouchEvent(MotionEvent m) {
         if (m.getActionMasked() == MotionEvent.ACTION_DOWN) {
             mDown = m;
         }
         if ((mSwitcher != null) && mSwitcher.showsPopup() && !mSwitcher.isInsidePopup(m)) {
             return mSwitcher.onTouch(null, m);
         } else if ((mSwitcher != null) && mSwitcher.isInsidePopup(m)) {
             return superDispatchTouchEvent(m);
         } else {
             return mCurrentModule.dispatchTouchEvent(m);
         }
     }

     @Override
     public void startActivityForResult(Intent intent, int requestCode) {
         Intent proxyIntent = new Intent(this, ProxyLauncher.class);
         proxyIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
         proxyIntent.putExtra(Intent.EXTRA_INTENT, intent);
         super.startActivityForResult(proxyIntent, requestCode);
     }

     public boolean superDispatchTouchEvent(MotionEvent m) {
         return super.dispatchTouchEvent(m);
     }

     // Preview texture has been copied. Now camera can be released and the
     // animation can be started.
     @Override
     public void onPreviewTextureCopied() {
         mCurrentModule.onPreviewTextureCopied();
     }

     @Override
     public void onCaptureTextureCopied() {
         mCurrentModule.onCaptureTextureCopied();
     }

     @Override
     public void onUserInteraction() {
         super.onUserInteraction();
         mCurrentModule.onUserInteraction();
     }

     @Override
     protected boolean updateStorageHintOnResume() {
         return mCurrentModule.updateStorageHintOnResume();
     }

     @Override
     public void updateCameraAppView() {
         super.updateCameraAppView();
         mCurrentModule.updateCameraAppView();
     }

     private boolean canReuseScreenNail() {
         return mCurrentModuleIndex == PHOTO_MODULE_INDEX
                 || mCurrentModuleIndex == VIDEO_MODULE_INDEX
                 || mCurrentModuleIndex == LIGHTCYCLE_MODULE_INDEX;
     }

     @Override
     public boolean isPanoramaActivity() {
         return (mCurrentModuleIndex == PANORAMA_MODULE_INDEX);
     }

     // Accessor methods for getting latency times used in performance testing
     public long getAutoFocusTime() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
     }

     public long getShutterLag() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mShutterLag : -1;
     }

     public long getShutterToPictureDisplayedTime() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
     }

     public long getPictureDisplayedToJpegCallbackTime() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
     }

     public long getJpegCallbackFinishTime() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
     }

     public long getCaptureStartTime() {
         return (mCurrentModule instanceof PhotoModule) ?
                 ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
     }

     public boolean isRecording() {
         return (mCurrentModule instanceof VideoModule) ?
                 ((VideoModule) mCurrentModule).isRecording() : false;
     }

     public CameraScreenNail getCameraScreenNail() {
         return (CameraScreenNail) mCameraScreenNail;
     }

     public MediaSaveService getMediaSaveService() {
         return mMediaSaveService;
     }
 }
	/*
	* Copyright (C) 2012 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.camera;

	import android.animation.Animator;
	import android.animation.AnimatorListenerAdapter;
	import android.animation.ObjectAnimator;
	import android.content.ComponentName;
	import android.content.Context;
	import android.content.Intent;
	import android.content.ServiceConnection;
	import android.content.pm.ActivityInfo;
	import android.content.res.Configuration;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.os.IBinder;
	import android.provider.MediaStore;
	import android.provider.Settings;
	import android.view.KeyEvent;
	import android.view.MotionEvent;
	import android.view.OrientationEventListener;
	import android.view.View;
	import android.view.Window;
	import android.view.WindowManager;
	import android.widget.FrameLayout;

	import com.android.camera.ui.CameraSwitcher;
	import com.android.gallery3d.R;
	import com.android.gallery3d.app.PhotoPage;
	import com.android.gallery3d.common.ApiHelper;
	import com.android.gallery3d.util.LightCycleHelper;

	public class CameraActivity extends ActivityBase
	implements CameraSwitcher.CameraSwitchListener {
	public static final int PHOTO_MODULE_INDEX = 0;
	public static final int VIDEO_MODULE_INDEX = 1;
	public static final int PANORAMA_MODULE_INDEX = 2;
	public static final int LIGHTCYCLE_MODULE_INDEX = 3;

	CameraModule mCurrentModule;
	private FrameLayout mFrame;
	private ShutterButton mShutter;
	private CameraSwitcher mSwitcher;
	private View mCameraControls;
	private View mControlsBackground;
	private View mPieMenuButton;
	private Drawable[] mDrawables;
	private int mCurrentModuleIndex;
	private MotionEvent mDown;
	private boolean mAutoRotateScreen;
	private int mHeightOrWidth = -1;

	private MyOrientationEventListener mOrientationListener;
	// The degrees of the device rotated clockwise from its natural orientation.
	private int mLastRawOrientation = OrientationEventListener.ORIENTATION_UNKNOWN;

	private MediaSaveService mMediaSaveService;
	private ServiceConnection mConnection = new ServiceConnection() {
	@Override
	public void onServiceConnected(ComponentName className, IBinder b) {
	mMediaSaveService = ((MediaSaveService.LocalBinder) b).getService();
	mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
	}
	@Override
	public void onServiceDisconnected(ComponentName className) {
	mMediaSaveService = null;
	}};

	private static final String TAG = "CAM_activity";

	private static final int[] DRAW_IDS = {
	R.drawable.ic_switch_camera,
	R.drawable.ic_switch_video,
	R.drawable.ic_switch_pan,
	R.drawable.ic_switch_photosphere
	};

	@Override
	public void onCreate(Bundle state) {
	super.onCreate(state);
	setContentView(R.layout.camera_main);
	mFrame = (FrameLayout) findViewById(R.id.camera_app_root);
	mDrawables = new Drawable[DRAW_IDS.length];
	for (int i = 0; i < DRAW_IDS.length; i++) {
	mDrawables[i] = getResources().getDrawable(DRAW_IDS[i]);
	}
	init();
	if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
	\|\| MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
	mCurrentModule = new VideoModule();
	mCurrentModuleIndex = VIDEO_MODULE_INDEX;
	} else {
	mCurrentModule = new PhotoModule();
	mCurrentModuleIndex = PHOTO_MODULE_INDEX;
	}
	mCurrentModule.init(this, mFrame, true);
	mSwitcher.setCurrentIndex(mCurrentModuleIndex);
	mOrientationListener = new MyOrientationEventListener(this);
	bindMediaSaveService();
	}

	public void init() {
	boolean landscape = Util.getDisplayRotation(this) % 180 == 90;
	mControlsBackground = findViewById(R.id.blocker);
	mCameraControls = findViewById(R.id.camera_controls);
	mShutter = (ShutterButton) findViewById(R.id.shutter_button);
	mSwitcher = (CameraSwitcher) findViewById(R.id.camera_switcher);
	mPieMenuButton = findViewById(R.id.menu);
	int totaldrawid = (LightCycleHelper.hasLightCycleCapture(this)
	? DRAW_IDS.length : DRAW_IDS.length - 1);
	if (!ApiHelper.HAS_OLD_PANORAMA) totaldrawid--;

	int[] drawids = new int[totaldrawid];
	int[] moduleids = new int[totaldrawid];
	int ix = 0;
	for (int i = 0; i < mDrawables.length; i++) {
	if (i == PANORAMA_MODULE_INDEX && !ApiHelper.HAS_OLD_PANORAMA) {
	continue; // not enabled, so don't add to UI
	}
	if (i == LIGHTCYCLE_MODULE_INDEX && !LightCycleHelper.hasLightCycleCapture(this)) {
	continue; // not enabled, so don't add to UI
	}
	moduleids[ix] = i;
	drawids[ix++] = DRAW_IDS[i];
	}
	mSwitcher.setIds(moduleids, drawids);
	mSwitcher.setSwitchListener(this);
	mSwitcher.setCurrentIndex(mCurrentModuleIndex);
	}

	@Override
	public void onDestroy() {
	unbindMediaSaveService();
	super.onDestroy();
	}

	// Return whether the auto-rotate screen in system settings
	// is turned on.
	public boolean isAutoRotateScreen() {
	return mAutoRotateScreen;
	}

	private class MyOrientationEventListener
	extends OrientationEventListener {
	public MyOrientationEventListener(Context context) {
	super(context);
	}

	@Override
	public void onOrientationChanged(int orientation) {
	// We keep the last known orientation. So if the user first orient
	// the camera then point the camera to floor or sky, we still have
	// the correct orientation.
	if (orientation == ORIENTATION_UNKNOWN) return;
	mLastRawOrientation = orientation;
	mCurrentModule.onOrientationChanged(orientation);
	}
	}

	private ObjectAnimator mCameraSwitchAnimator;

	@Override
	public void onCameraSelected(final int i) {
	if (mPaused) return;
	if (i != mCurrentModuleIndex) {
	mPaused = true;
	CameraScreenNail screenNail = getCameraScreenNail();
	if (screenNail != null) {
	if (mCameraSwitchAnimator != null && mCameraSwitchAnimator.isRunning()) {
	mCameraSwitchAnimator.cancel();
	}
	mCameraSwitchAnimator = ObjectAnimator.ofFloat(
	screenNail, "alpha", screenNail.getAlpha(), 0f);
	mCameraSwitchAnimator.addListener(new AnimatorListenerAdapter() {
	@Override
	public void onAnimationEnd(Animator animation) {
	super.onAnimationEnd(animation);
	doChangeCamera(i);
	}
	});
	mCameraSwitchAnimator.start();
	} else {
	doChangeCamera(i);
	}
	}
	}

	private void doChangeCamera(int i) {
	boolean canReuse = canReuseScreenNail();
	CameraHolder.instance().keep();
	closeModule(mCurrentModule);
	mCurrentModuleIndex = i;
	switch (i) {
	case VIDEO_MODULE_INDEX:
	mCurrentModule = new VideoModule();
	break;
	case PHOTO_MODULE_INDEX:
	mCurrentModule = new PhotoModule();
	break;
	case PANORAMA_MODULE_INDEX:
	mCurrentModule = new PanoramaModule();
	break;
	case LIGHTCYCLE_MODULE_INDEX:
	mCurrentModule = LightCycleHelper.createPanoramaModule();
	break;
	}
	showPieMenuButton(mCurrentModule.needsPieMenu());

	openModule(mCurrentModule, canReuse);
	mCurrentModule.onOrientationChanged(mLastRawOrientation);
	if (mMediaSaveService != null) {
	mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
	}
	getCameraScreenNail().setAlpha(0f);
	getCameraScreenNail().setOnFrameDrawnOneShot(mOnFrameDrawn);
	}

	public void showPieMenuButton(boolean show) {
	if (show) {
	findViewById(R.id.blocker).setVisibility(View.VISIBLE);
	findViewById(R.id.menu).setVisibility(View.VISIBLE);
	findViewById(R.id.on_screen_indicators).setVisibility(View.VISIBLE);
	} else {
	findViewById(R.id.blocker).setVisibility(View.INVISIBLE);
	findViewById(R.id.menu).setVisibility(View.INVISIBLE);
	findViewById(R.id.on_screen_indicators).setVisibility(View.INVISIBLE);
	}
	}

	private Runnable mOnFrameDrawn = new Runnable() {

	@Override
	public void run() {
	runOnUiThread(mFadeInCameraScreenNail);
	}
	};

	private Runnable mFadeInCameraScreenNail = new Runnable() {

	@Override
	public void run() {
	mCameraSwitchAnimator = ObjectAnimator.ofFloat(
	getCameraScreenNail(), "alpha", 0f, 1f);
	mCameraSwitchAnimator.setStartDelay(50);
	mCameraSwitchAnimator.start();
	}
	};

	@Override
	public void onShowSwitcherPopup() {
	mCurrentModule.onShowSwitcherPopup();
	}

	private void openModule(CameraModule module, boolean canReuse) {
	module.init(this, mFrame, canReuse && canReuseScreenNail());
	mPaused = false;
	module.onResumeBeforeSuper();
	module.onResumeAfterSuper();
	}

	private void closeModule(CameraModule module) {
	module.onPauseBeforeSuper();
	module.onPauseAfterSuper();
	mFrame.removeAllViews();
	}

	public ShutterButton getShutterButton() {
	return mShutter;
	}

	public void hideUI() {
	mCameraControls.setVisibility(View.INVISIBLE);
	hideSwitcher();
	mShutter.setVisibility(View.GONE);
	}

	public void showUI() {
	mCameraControls.setVisibility(View.VISIBLE);
	showSwitcher();
	mShutter.setVisibility(View.VISIBLE);
	// Force a layout change to show shutter button
	mShutter.requestLayout();
	}

	public void hideSwitcher() {
	mSwitcher.closePopup();
	mSwitcher.setVisibility(View.INVISIBLE);
	}

	public void showSwitcher() {
	if (mCurrentModule.needsSwitcher()) {
	mSwitcher.setVisibility(View.VISIBLE);
	}
	}

	public boolean isInCameraApp() {
	return mShowCameraAppView;
	}

	@Override
	public void onConfigurationChanged(Configuration config) {
	super.onConfigurationChanged(config);
	mCurrentModule.onConfigurationChanged(config);
	}

	@Override
	public void onPause() {
	mPaused = true;
	mOrientationListener.disable();
	mCurrentModule.onPauseBeforeSuper();
	super.onPause();
	mCurrentModule.onPauseAfterSuper();
	}

	@Override
	public void onResume() {
	mPaused = false;
	if (Settings.System.getInt(getContentResolver(),
	Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {// auto-rotate off
	setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
	mAutoRotateScreen = false;
	} else {
	setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
	mAutoRotateScreen = true;
	}
	mOrientationListener.enable();
	mCurrentModule.onResumeBeforeSuper();
	super.onResume();
	mCurrentModule.onResumeAfterSuper();
	}

	private void bindMediaSaveService() {
	Intent intent = new Intent(this, MediaSaveService.class);
	bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
	}

	private void unbindMediaSaveService() {
	if (mMediaSaveService != null) {
	mMediaSaveService.setListener(null);
	}
	if (mConnection != null) {
	unbindService(mConnection);
	}
	}

	@Override
	protected void onFullScreenChanged(boolean full) {
	if (full) {
	showUI();
	} else {
	hideUI();
	}
	super.onFullScreenChanged(full);
	if (ApiHelper.HAS_ROTATION_ANIMATION) {
	setRotationAnimation(full);
	}
	mCurrentModule.onFullScreenChanged(full);
	}

	private void setRotationAnimation(boolean fullscreen) {
	int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
	if (fullscreen) {
	rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
	}
	Window win = getWindow();
	WindowManager.LayoutParams winParams = win.getAttributes();
	winParams.rotationAnimation = rotationAnimation;
	win.setAttributes(winParams);
	}

	@Override
	protected void onStop() {
	super.onStop();
	mCurrentModule.onStop();
	getStateManager().clearTasks();
	}

	@Override
	protected void onNewIntent(Intent intent) {
	super.onNewIntent(intent);
	getStateManager().clearActivityResult();
	}

	@Override
	protected void installIntentFilter() {
	super.installIntentFilter();
	mCurrentModule.installIntentFilter();
	}

	@Override
	protected void onActivityResult(
	int requestCode, int resultCode, Intent data) {
	// Only PhotoPage understands ProxyLauncher.RESULT_USER_CANCELED
	if (resultCode == ProxyLauncher.RESULT_USER_CANCELED
	&& !(getStateManager().getTopState() instanceof PhotoPage)) {
	resultCode = RESULT_CANCELED;
	}
	super.onActivityResult(requestCode, resultCode, data);
	// Unmap cancel vs. reset
	if (resultCode == ProxyLauncher.RESULT_USER_CANCELED) {
	resultCode = RESULT_CANCELED;
	}
	mCurrentModule.onActivityResult(requestCode, resultCode, data);
	}

	// Preview area is touched. Handle touch focus.
	// Touch to focus is handled by PreviewGestures, this function call
	// is no longer needed. TODO: Clean it up in the next refactor
	@Override
	protected void onSingleTapUp(View view, int x, int y) {
	}

	@Override
	public void onBackPressed() {
	if (!mCurrentModule.onBackPressed()) {
	super.onBackPressed();
	}
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
	return mCurrentModule.onKeyDown(keyCode, event)
	\|\| super.onKeyDown(keyCode, event);
	}

	@Override
	public boolean onKeyUp(int keyCode, KeyEvent event) {
	return mCurrentModule.onKeyUp(keyCode, event)
	\|\| super.onKeyUp(keyCode, event);
	}

	public void cancelActivityTouchHandling() {
	if (mDown != null) {
	MotionEvent cancel = MotionEvent.obtain(mDown);
	cancel.setAction(MotionEvent.ACTION_CANCEL);
	super.dispatchTouchEvent(cancel);
	}
	}

	@Override
	public boolean dispatchTouchEvent(MotionEvent m) {
	if (m.getActionMasked() == MotionEvent.ACTION_DOWN) {
	mDown = m;
	}
	if ((mSwitcher != null) && mSwitcher.showsPopup() && !mSwitcher.isInsidePopup(m)) {
	return mSwitcher.onTouch(null, m);
	} else if ((mSwitcher != null) && mSwitcher.isInsidePopup(m)) {
	return superDispatchTouchEvent(m);
	} else {
	return mCurrentModule.dispatchTouchEvent(m);
	}
	}

	@Override
	public void startActivityForResult(Intent intent, int requestCode) {
	Intent proxyIntent = new Intent(this, ProxyLauncher.class);
	proxyIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
	proxyIntent.putExtra(Intent.EXTRA_INTENT, intent);
	super.startActivityForResult(proxyIntent, requestCode);
	}

	public boolean superDispatchTouchEvent(MotionEvent m) {
	return super.dispatchTouchEvent(m);
	}

	// Preview texture has been copied. Now camera can be released and the
	// animation can be started.
	@Override
	public void onPreviewTextureCopied() {
	mCurrentModule.onPreviewTextureCopied();
	}

	@Override
	public void onCaptureTextureCopied() {
	mCurrentModule.onCaptureTextureCopied();
	}

	@Override
	public void onUserInteraction() {
	super.onUserInteraction();
	mCurrentModule.onUserInteraction();
	}

	@Override
	protected boolean updateStorageHintOnResume() {
	return mCurrentModule.updateStorageHintOnResume();
	}

	@Override
	public void updateCameraAppView() {
	super.updateCameraAppView();
	mCurrentModule.updateCameraAppView();
	}

	private boolean canReuseScreenNail() {
	return mCurrentModuleIndex == PHOTO_MODULE_INDEX
	\|\| mCurrentModuleIndex == VIDEO_MODULE_INDEX
	\|\| mCurrentModuleIndex == LIGHTCYCLE_MODULE_INDEX;
	}

	@Override
	public boolean isPanoramaActivity() {
	return (mCurrentModuleIndex == PANORAMA_MODULE_INDEX);
	}

	// Accessor methods for getting latency times used in performance testing
	public long getAutoFocusTime() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
	}

	public long getShutterLag() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mShutterLag : -1;
	}

	public long getShutterToPictureDisplayedTime() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
	}

	public long getPictureDisplayedToJpegCallbackTime() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
	}

	public long getJpegCallbackFinishTime() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
	}

	public long getCaptureStartTime() {
	return (mCurrentModule instanceof PhotoModule) ?
	((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
	}

	public boolean isRecording() {
	return (mCurrentModule instanceof VideoModule) ?
	((VideoModule) mCurrentModule).isRecording() : false;
	}

	public CameraScreenNail getCameraScreenNail() {
	return (CameraScreenNail) mCameraScreenNail;
	}

	public MediaSaveService getMediaSaveService() {
	return mMediaSaveService;
	}
	}